. Diaphragm-Type Seals Clamped Diaphragm Flanged Seal WIKA Type L990.FC

Applications

- For use in corrosive, contaminated, hot or viscous media

- Combines with Bourdon tube pressure gauges

Special features

- Assembly does not allow access to diaphragm seal system fill fluid (tamper-proof)

- No threaded connections among pressure containing components

- 316L stainless steel, Monel® or Hastelloy® C276 process wetted materials Standard version

Design

Internal welded diaphragm with threaded process connection; requires hydraulic fluid to transmit pressure to instrument

Process Connection

1” to 1½” per ASME B16.5 A

Suitable Pressure Ranges

15 PSI to Class 300  

Instrument Connection

Capillary, ¼” or ½” NPT-female